220001013131 has 4 divisors (see below), whose sum is σ = 220113894000. Its totient is φ = 219888132264.

The previous prime is 220001013103. The next prime is 220001013179. The reversal of 220001013131 is 131310100022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131310100022 = 2 ⋅65655050011.

It is a cyclic number.

It is not a de Polignac number, because 220001013131 - 2³⁰ = 218927271307 is a prime.

It is a super-2 number, since 2×220001013131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220001013101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56437511 + ... + 56441408.

It is an arithmetic number, because the mean of its divisors is an integer number (55028473500).

Almost surely, 2^220001013131 is an apocalyptic number.

220001013131 is a deficient number, since it is larger than the sum of its proper divisors (112880869).

220001013131 is a wasteful number, since it uses less digits than its factorization.

220001013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112880868.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 220001013131 its reverse (131310100022), we get a palindrome (351311113153).

The spelling of 220001013131 in words is "two hundred twenty billion, one million, thirteen thousand, one hundred thirty-one".